When he looked up, he suddenly found himself by a group of teenagers,
| A．to be surrounded; | B．surrounded; |
| C．be surrounded; | D．having been surrounded; |
I can’t stand _________ with Jane in the same office. She just refuses ______ talking while she works.
| A．working, stopping | B．to work, stopping |
| C．working, to stop | D．to work, to stop |
My advisor encouraged _______ a summer course to improve my writing skills.
| A．for me taking | B．me taking | C．for me to take | D．me to take |
It is difficult to imagine his _____ the decision without any consideration.
| A．accept | B．accepting | C．to accept | D．accepted |
It’s necessary to be prepared for a job interview. _____ the answers ready will be of great help.
| A．To have had | B．Having had | C．Have | D．Having |
The water ______ cool when I jumped into the pool for morning exercise.
| A．was felt | B．is felt | C．felt | D．feels |